CA1268427A - Filter for continuous filtering of a suspension under pressure - Google Patents

Filter for continuous filtering of a suspension under pressure

Info

Publication number
CA1268427A
CA1268427A CA000508264A CA508264A CA1268427A CA 1268427 A CA1268427 A CA 1268427A CA 000508264 A CA000508264 A CA 000508264A CA 508264 A CA508264 A CA 508264A CA 1268427 A CA1268427 A CA 1268427A
Authority
CA
Canada
Prior art keywords
filter
filtering
zone
pressure
filtrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA000508264A
Other languages
English (en)
French (fr)
Inventor
Samuel Ragnegard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caustec AB
Original Assignee
HEDEMORA VERKSTADER AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HEDEMORA VERKSTADER AB filed Critical HEDEMORA VERKSTADER AB
Application granted granted Critical
Publication of CA1268427A publication Critical patent/CA1268427A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • B01D35/31—Filter housing constructions including arrangements for environmental protection, e.g. pressure resisting features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
    • B01D33/23—Construction of discs or component sectors thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/463—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
    • B01D33/66—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating
    • B01D33/663—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating by direct contact with a fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B01D33/801—Driving means, shaft packing systems or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B01D33/804—Accessories integrally combined with devices for controlling the filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B01D33/804—Accessories integrally combined with devices for controlling the filtration
    • B01D33/807—Accessories integrally combined with devices for controlling the filtration by level measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B01D33/804—Accessories integrally combined with devices for controlling the filtration
    • B01D33/808—Accessories integrally combined with devices for controlling the filtration by pressure measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/20—Pressure-related systems for filters
    • B01D2201/204—Systems for applying vacuum to filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Filtration Of Liquid (AREA)
  • Paper (AREA)
CA000508264A 1985-05-02 1986-05-02 Filter for continuous filtering of a suspension under pressure Expired - Lifetime CA1268427A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8502122A SE451948B (sv) 1985-05-02 1985-05-02 Filter for kontinuerlig filtrering under tryck av en suspension
SE8502122-8 1985-05-02

Publications (1)

Publication Number Publication Date
CA1268427A true CA1268427A (en) 1990-05-01

Family

ID=20360041

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000508264A Expired - Lifetime CA1268427A (en) 1985-05-02 1986-05-02 Filter for continuous filtering of a suspension under pressure

Country Status (6)

Country Link
US (1) US4695381A (sv)
JP (1) JPH0675656B2 (sv)
CA (1) CA1268427A (sv)
DE (1) DE3614668A1 (sv)
FI (1) FI83596C (sv)
SE (1) SE451948B (sv)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE463771C (sv) * 1985-05-02 1999-07-12 Caustec Ab Anordning och förfarande för separering av vitlut, mesa och eventuellt slam varvid användes ett roterande skivfilter
FI81725C (sv) * 1987-11-05 1990-12-10 Ahlstroem Oy Förfarande och anordning för behandling av fibersuspension
US5192454A (en) * 1987-11-05 1993-03-09 A. Ahlstrom Corporation Method for treating fiber suspension
SE463242B (sv) * 1989-03-13 1990-10-29 Hedemora Ab Filter foer kontinuerlig filtrering av suspension
SE463601B (sv) * 1989-03-13 1990-12-17 Hedemora Ab Filter foer kontinuerlig filtrering av en suspension
US5053123A (en) * 1989-04-17 1991-10-01 Ingersoll-Rand Company Adjustable valve for varying filtrate composition from filters
SE464390B (sv) * 1989-06-14 1991-04-22 Celleco Hedemora Ab Filter foer kontinuerlig filtrering
FR2668076B1 (fr) * 1990-10-18 1993-04-30 Kodak Pathe Procede de separation de constituants solides d'une suspension et dispositif de mise en óoeuvre du procede.
DE4123143C1 (sv) * 1991-07-12 1992-11-12 Werner Prof. Dr.-Ing. 6740 Landau De Stahl
DE4225818C2 (de) * 1991-09-11 1993-12-09 Geldmacher Joachim Filter zum kontinuierlichen Filtern von Feststoffe o. dgl. aufweisenden Flüssigkeiten
FI93752C (sv) * 1992-07-07 1995-06-12 Larox Ag Förfarande för separering av produkt bildad i kaustisering
US5443534A (en) * 1992-07-21 1995-08-22 Vlt Corporation Providing electronic components for circuity assembly
AT398389B (de) * 1992-11-06 1994-11-25 Andritz Patentverwaltung Verfahren und anlage zur trennung von feststoff-flüssigkeit-mischungen
US6409929B2 (en) 1992-11-11 2002-06-25 Bokela Ingenieurgesellschaft Fur Mechanische Verfahrenstechnik Mbh Steam drying of rotary filter cakes without crack formation
DE4238087C3 (de) * 1992-11-11 1997-12-04 Bokela Ing Gmbh Verfahren zur mechanischen Entfeuchtung eines Filterkuchens und Vorrichtung zur Durchführung des Verfahrens
US6063294A (en) * 1996-10-15 2000-05-16 Baker Hughes Incorporated Uniform area shower for disc filter
US5968372A (en) * 1996-12-16 1999-10-19 Baker Hughes Incorporated Logic controlled traversing shower
SE509553C2 (sv) * 1996-11-08 1999-02-08 Alfa Laval Ab Förfarande och anordning för separering av fina partiklar ur bakvatten
SE510603C2 (sv) * 1997-08-21 1999-06-07 Kvaerner Pulping Asa Roterande filter med förfiltrering i två steg, förfarande för filtrering samt användning av filtret för avvattning av cellulosafibersuspensioner
FI105166B (sv) * 1998-03-30 2000-06-30 Outokumpu Oy Anordning för avlägsnande av material från ett trycksatt utrymme
FI105322B (sv) * 1998-06-25 2000-07-31 Outokumpu Oy Förfarande för bildande av en filterkaka
US6521135B1 (en) * 1999-01-19 2003-02-18 Steve C. Benesi Filtration apparatus operation features
FI111812B (sv) * 2000-12-08 2003-09-30 Outokumpu Oy Filtrerförfarande
US7314556B2 (en) * 2003-12-05 2008-01-01 Andritz Inc. Filter disc with panel sectors
SE526706C2 (sv) * 2004-04-16 2005-10-25 Kvaerner Pulping Tech Förfarande och anordning för tvätt av mesa
FI20041518A (sv) * 2004-11-25 2006-05-26 Andritz Oy Förfarande och anordning för behandling av mesa
US20070235394A1 (en) * 2005-10-28 2007-10-11 Dendel Joseph W Mass thickening apparatus
EP1961475B1 (en) * 2007-02-21 2020-06-17 Veolia Water Solutions & Technologies Support High pressure cleaning device
AT505247B1 (de) * 2007-05-30 2009-01-15 Andritz Ag Maschf Vakuumunterstütztes entwässerungsverfahren und rotierender filter zur durchführung des entwässerungsverfahrens
CN101829449B (zh) * 2010-05-18 2012-09-19 王光华 一种旋转压力过滤机
DE102010061561A1 (de) * 2010-12-27 2012-06-28 Andritz Kmpt Gmbh Filtervorrichtung
DE102010061560A1 (de) 2010-12-27 2013-05-16 Andritz Kmpt Gmbh Filtervorrichtung
EP2520348A1 (de) * 2011-05-02 2012-11-07 Siemens Aktiengesellschaft Filtereinrichtung, Verfahren zu deren Betrieb sowie deren Verwendung
EP2522414A1 (de) * 2011-05-11 2012-11-14 Siemens Aktiengesellschaft Filtereinrichtung, Verfahren zu deren Betrieb sowie deren Verwendung
FI123564B (sv) * 2011-12-15 2013-07-15 Andritz Oy Förfarande för tvättning av en suspension som innehåller fastämne med en sugtrumtvättare och sugtrumtvättare
FI123557B (sv) * 2012-02-06 2013-07-15 Andritz Oy Förfarande och anordning för uttunning av skikttjockleken av förbeläggningen i ett skivfilter
AT514597B1 (de) 2013-10-11 2015-02-15 Andritz Ag Maschf Filter zum kontinuierlichen Filtern einer Suspension unter Druck
CA2941386C (en) 2014-04-08 2021-05-25 Prime Solution Inc. Rotary fan press with auger
SE540553C2 (en) * 2017-04-07 2018-09-25 Valmet Oy Pressurized disc filter for causticization liquors containing lime mud
DK3578242T3 (da) 2018-06-05 2021-10-11 ANDRITZ Separation GmbH Vakuum- og/eller trykfiltreringsindretning til filtrering af en suspension
PT3578241T (pt) 2018-06-05 2021-10-26 ANDRITZ Separation GmbH Tambor de filtragem para um dispositivo de filtragem por vacuo e/ou pressão
SE542326C2 (en) * 2018-06-21 2020-04-14 Valmet Oy Vacuum filter
JP7033248B2 (ja) * 2018-11-05 2022-03-10 株式会社石垣 フィルタープレスのろ布洗浄方法
US11000791B2 (en) * 2019-03-06 2021-05-11 Veolia Water Solutions & Technologies Support Rotary disc filter having backwash guides

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1774044A (en) * 1925-10-28 1930-08-26 Ernest J Sweetland Filter casing and process of operating the same
GB1401772A (en) * 1971-11-18 1975-07-30 Simonacco Ltd Filters
FI54060C (fi) * 1976-09-14 1978-10-10 Rauma Repola Oy Skivfilter
DE2852175A1 (de) * 1978-12-02 1980-06-12 Krauss Maffei Ag Steuerkopf an einem zellendrehfilter
DE3004707C2 (de) * 1980-02-08 1982-08-26 Krauss-Maffei AG, 8000 München Mehrscheiben-Drehfilter

Also Published As

Publication number Publication date
JPH0675656B2 (ja) 1994-09-28
FI83596B (fi) 1991-04-30
FI861791A (fi) 1986-11-03
SE451948B (sv) 1987-11-09
SE8502122D0 (sv) 1985-05-02
DE3614668A1 (de) 1986-12-18
SE8502122L (sv) 1986-11-03
FI861791A0 (fi) 1986-04-29
JPS6230518A (ja) 1987-02-09
US4695381A (en) 1987-09-22
FI83596C (sv) 1991-08-12

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Legal Events

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MKEX Expiry